γδ T cells exhibit multifunctional and protective memory in intestinal tissues.
γδ T cells exhibit multifunctional and protective memory in intestinal tissues.
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DOI:
10.1016/j.immuni.2013.06.015
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发表时间:
2013-07-25
期刊:
影响因子:
32.4
通讯作者:
Lefrançois L
中科院分区:
文献类型:
--
作者:
Sheridan BS;Romagnoli PA;Pham QM;Fu HH;Alonzo F 3rd;Schubert WD;Freitag NE;Lefrançois L
The study of T cell memory and the target of vaccine design has focused on memory subsumed by T cells bearing the αβ T cell receptor. Alternatively, γδ T cells are thought to provide rapid immunity particularly at mucosal borders. Here we have shown that a distinct subset of mucosal γδ T cells mounts an immune response to oral Listeria monocytogenes (Lm) infection leading to the development of multifunctional memory T cells in the murine intestinal mucosa that is capable of simultaneously producing interferon-γ and interleukin-17A. Challenge infection with oral Lm, but not oral Salmonella or intravenous Lm, induced rapid expansion of memory γδ T cells suggesting contextual specificity to the priming pathogen. Importantly, memory γδ T cells were able to provide enhanced protection against infection. These findings illustrate a previously unrecognized role for γδ T cells with hallmarks of adaptive immunity in the intestinal mucosa.
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